Optical coupler for an arthoscope or similar article



FIG. 1 is a perspective view of an optical coupler for an arthoscope or similar article showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof. 

The ornamental design for an optical coupler for an arthoscope or similar article, substantially as shown and described. 